Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2011TAHOE BASE, 5.3 0, 4WDREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - MODE ACTUATOR THROUGH YAW SENSORCOMPONENT CONNECTOR END VIEWSSERIAL DATA GATEWAY (SDG) MODULE X2 (HP2)
2011 Chevrolet Tahoe Base, 5.3 0, 4WD
Serial Data Gateway (SDG) Module X2 (HP2)
2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Serial Data Gateway (SDG) Module X2 (HP2)
Serial Data Gateway (SDG) Module X2 (HP2)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1-3 | - | - | Not Used |
| 4 | 0.35 D-BU | 919 | High Voltage Circuit Impact Detection Signal |
| 5-7 | - | - | Not Used |
| 8 | 0.5 RD/WH | 4240 | Battery Positive Voltage |
| 9-14 | - | - | Not Used |
| 15 | 0.35 D-BU | 918 | Low Reference |
| 16 | 0.35 L-BU | 5986 | Serial Data Communication Enable |
| 17 | - | - | Not Used |
| 18 | 0.5 BK | 1050 | Ground |
| 19 | 0.35 D-BU | 5985 | Serial Data Wake-Up Signal |
| 20 | 0.35 PK | 239 | Ignition Voltage |
Connector Part Information
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Terminal Part Information
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.